Absorbent Glass Mat (AGM) Technology Maintenance-Free Design with Spill Proof Construction U.L. Recognized and CE Certified Brand New, Factory Fresh 1 Year Warranty The Power Sonic CB14A-A2 replacement motorcycle battery is AGM Maintenance Free, fully charged and ready to install. The motorcycle battery offers optimal cranking amps, superior performance and is designed for motorcycle and power sports units, where high power output is required over short periods of time. The CB14A-A2 motorcycle battery comes with 6 months warranty.